1. Objective: Through in-depth research and analysis, it is helpful to understand related topics or themes more deeply and think from a new angle or level. The purpose of writing this paper is to solve a specific problem or propose a solution. Through in-depth research and analysis, it will help to find the answer to the problem or put forward effective solutions.

2. Role: The publication of the paper will help to spread the research results, new theories or viewpoints to more people and promote academic exchanges and knowledge sharing. Moreover, the publication of the paper will help to promote the development of related disciplines and provide new directions and ideas for future research. Secondly, the quality and value of the paper can be evaluated by peer review and citation times, which is helpful to evaluate the quality and value of the research.